2 doctors weighed in:
Dizzy spells, weakness, near blackouts, happen a lot since started nitro. What should I do? Doc wants it for my heart.
2 doctors weighed in

Dr. Thomas Riney
Pediatrics
1 doctor agrees
In brief: Vasoldilator
Nitroglycerin makes the blood vessels dilate everywhere, not just in your heart, so blood pools away from the brain, causing dizziness, ask your cardiologist to adjust the dose.

In brief: Vasoldilator
Nitroglycerin makes the blood vessels dilate everywhere, not just in your heart, so blood pools away from the brain, causing dizziness, ask your cardiologist to adjust the dose.
Dr. Thomas Riney
Dr. Thomas Riney
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